/**
 * 缓存数据
 */
const mapData = (() => {
  const storeData: any = {}
  let id = 1
  return {
    set (element: { key: { id: any; key?: any } }, key: any, data: any) {
      if (typeof element.key === 'undefined') {
        element.key = {
          key,
          id
        }
        id++
      }

      storeData[element.key.id] = data
    },
    get (element: { key: any }, key: any) {
      if (!element || typeof element.key === 'undefined') {
        return null
      }

      const keyProperties = element.key
      if (keyProperties.key === key) {
        return storeData[keyProperties.id]
      }

      return null
    },
    delete (element: { key: any }, key: any) {
      if (typeof element.key === 'undefined') {
        return
      }

      const keyProperties = element.key
      if (keyProperties.key === key) {
        delete storeData[keyProperties.id]
        delete element.key
      }
    }
  }
})()

const Data = {
  setData (instance: any, key: any, data: any) {
    mapData.set(instance, key, data)
  },
  getData (instance: any, key: any) {
    return mapData.get(instance, key)
  },
  removeData (instance: any, key: any) {
    mapData.delete(instance, key)
  }
}

export default Data
